The Pulley,groove, cataloged under National Stock Number 3020-01-177-8619, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-177-8619 |
| Primary Part Number | 7603135-00 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West |
| Status | ACTIVE |
| Design Form | PLAIN |
| Outside Diameter | 1.000 INCHES NOMINAL IN |
| Face Width | 0.600 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7603135-00 PRIMARY | L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West (USA) |
| Reference | Meaning |
|---|---|
| 7603135 | D/9 Drawing number reference only U.S. Government activity |
| 7603135-00 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-177-8619 is a Pulley,groove, manufactured by L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-177-8619 has 1 manufacturer part number on file: 7603135-00 (L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West).
1 possible match (shared part number, not a government interchangeability claim): 6030-01-567-8664. Verify interchangeability with system specifications before substitution.
Key specifications for 7603135-00: Design Form: PLAIN; Outside Diameter: 1.000 INCHES NOMINAL IN; Overall Length: 1.275 INCHES MINIMUM AND 1.295 INCHES MAXIMUM IN; Face Width: 0.600 INCHES NOMINAL IN. 3 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.